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Port 10631 (printopia)

IANA assigns port 10631 to printopia: Printopia Serve.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
printopia TCP Printopia Serve Decisive Tactics Inc -

Registry dates for this port: registered 2011-10-24, last modified 2015-04-09.

Check what is listening on port 10631

Linux: is anything listening on TCP 10631?
sudo ss -tlnp 'sport = :10631'
Linux / macOS: which process owns the port
sudo lsof -nP -i :10631
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':10631 '
Windows (Command Prompt)
netstat -ano | findstr :10631
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 10631 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 10631
From Windows
Test-NetConnection HOST -Port 10631

Block port 10631 in the firewall

ufw
sudo ufw deny 10631/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 10631 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 10631 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 10631' -Direction Inbound -Protocol TCP -LocalPort 10631 -Action Block

Related ports

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.